package day05;

public class MainTest1 {
    public static void main(String[] args) {
        //常量
        final int NUM =10;
        //数组
        int[] num = new int[5];
        String[] ages = new String[5];


        //只要是能new 的数据类型就是引用类型
        String str = new String();
        int[] numArray = new int[5];
        for (int i=0;i<5;i++ ){
            System.out.println(numArray[i]);
        }
        String[] ageArray = new String[5];
        System.out.println("长度"+ageArray.length);
        for (int i =0;i<ageArray.length; i++){
            System.out.println(ageArray[i]);
        }
    }
}
